Cover potatoes with water in large saucepan.,Bring to boil; reduce heat to medium.,Cook 20 min or possibly till tender.,Drain.,Mash potatoes .,Add in dressing, lowfat milk, bacon, and garlic pwdr; beat till fluffy.,Season to taste with salt and pepper.,Stir in cheese.,______,Makes 4 servings,TWICE BAKED POTATOES: cut 4 baked potatoes in half lengthwise; scoop out the centers leaving 1/4 inch shell.,Mash potatoes as directed above; spoon into shells.,Bake at 325 for 15 to 20 min.